public class SaveDatabasePlanCache {
1
502
private static Integer vehicleSum=new Integer(0);
private static Integer vehicleSy=new Integer(0);
public static Integer getVehicleSum() {
return vehicleSum ;
}
public static void setVehicleSum(Integer vehicleSum)
{
for(int i = 0 ; i < 100000;i++){}
SaveDatabasePlanCache.vehicleSum = vehicleSum;
}
public static void main(String[] args) throws Exception {
for(int i = 0 ; i < 30 ; i++){
new Thread(new Runnable()
{
public void run() {
for(int i = 0 ; i < 20 ;i ++){
synchronized (vehicleSum) {
int nim = SaveDatabasePlanCache.getVehicleSum()+1 ;
SaveDatabasePlanCache.setVehicleSum(nim);
System.out.println(SaveDatabasePlanCache.getVehicleSum());
}
}
}
} ).start() ;
}
}}
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